Updraft hood for a cooking appliance



FIG. 1 is a perspective view of an updraft hood for a cooking appliance showing my ornamental design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof; and,

FIG. 4 is a left side plan view thereof. 

The ornamental design for an updraft hood for a cooking appliance, as shown and described. 